Version 4
SHEET 1 1316 680
WIRE 528 176 528 160
WIRE 640 176 640 160
WIRE 256 208 256 176
WIRE 640 272 640 256
WIRE 720 272 640 272
WIRE 64 304 64 176
WIRE 208 304 192 304
WIRE 256 304 256 288
WIRE 256 304 208 304
WIRE 320 304 256 304
WIRE 528 304 528 256
WIRE 528 304 384 304
WIRE 720 304 528 304
WIRE 864 304 864 160
WIRE 528 336 528 304
WIRE 640 336 640 272
WIRE 192 352 192 304
WIRE 64 464 64 384
WIRE 192 464 192 432
WIRE 528 464 528 416
WIRE 640 464 640 416
WIRE 864 464 864 384
FLAG 864 464 0
FLAG 64 464 0
FLAG 864 160 +5V
FLAG 64 176 +12V
FLAG 256 176 +12V
FLAG 192 464 0
FLAG 528 464 0
FLAG 640 464 0
FLAG 640 160 +5V
FLAG 528 160 +5V
FLAG 720 304 AIN1
IOPIN 720 304 Out
FLAG 720 272 AIN0
IOPIN 720 272 Out
FLAG 208 304 TAS
SYMBOL voltage 64 288 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMATTR SpiceLine Rser=10
SYMBOL voltage 864 288 R0
SYMATTR InstName V2
SYMATTR Value 5
SYMATTR SpiceLine Rser=10
SYMBOL Misc/EuropeanResistor 240 192 R0
SYMATTR InstName R1
SYMATTR Value 270
SYMBOL Misc/EuropeanPolcap 320 320 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C1
SYMATTR Value 47n
SYMBOL Misc/EuropeanResistor 512 160 R0
SYMATTR InstName R2
SYMATTR Value 22k
SYMBOL Misc/EuropeanResistor 512 320 R0
SYMATTR InstName R3
SYMATTR Value 22k
SYMBOL Misc/EuropeanResistor 624 160 R0
SYMATTR InstName R4
SYMATTR Value 22k
SYMBOL Misc/EuropeanResistor 624 320 R0
SYMATTR InstName R5
SYMATTR Value 18k
SYMBOL Misc/signal 192 336 R0
SYMATTR InstName V3
SYMATTR Value PWL file=input_signal.pwl
TEXT 72 40 Left 2 ;https://www.mikrocontroller.net/topic/457458
TEXT 72 16 Left 2 ;KC85 Pegelwandler für die Tastatur
TEXT 80 80 Left 2 !.tran 240m